3 years ago

Evaluate. 25/23 A) 1 B)28 C)4 D)8

1 answer:

5 0

25 divided by 23 will not come out as a whole number. 23 goes into 25 1 time so the answer would be 1..... But I guess the answer would be A since that's the closest answer choice.

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Factor. x^2+3x-70 please

TEA [102]

Answer:

(X-7) (x+10)

Step-by-step explanation:

X*X = X^2

X^2+x = 3x

-7*10 = -70

X^2+3x-70

4 0

3 years ago

Solve the equation by graphing x2+5x+4=0 . If exact roots cannot be found, state the consecutive integers between which the root

vagabundo [1.1K]

Answer:

x = -4

x = -1

Step-by-step explanation:

We have been given the following quadratic equation;

x^2 + 5x + 4 = 0

We are required to determine the roots of the above quadratic equation via graphing.

To do this we formulate the following equations;

y = x^2 + 5x + 4

y = 0 (x -axis)

We then proceed to graph these functions on the same graph. The roots of the original quadratic equation will be the points where the graphs of the above functions will intersect.

The attachment below is the graphical solution obtained from desmos graphing tool;

The graph of the functions intersect at;

x = -4 and x = -1

These are the roots of the given quadratic equation